JPH031206Y2 - - Google Patents
Info
- Publication number
- JPH031206Y2 JPH031206Y2 JP16060285U JP16060285U JPH031206Y2 JP H031206 Y2 JPH031206 Y2 JP H031206Y2 JP 16060285 U JP16060285 U JP 16060285U JP 16060285 U JP16060285 U JP 16060285U JP H031206 Y2 JPH031206 Y2 JP H031206Y2
- Authority
- JP
- Japan
- Prior art keywords
- vibration
- engine
- outer frame
- carburetor
- rubber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 239000002828 fuel tank Substances 0.000 claims description 3
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
Landscapes
- Vibration Prevention Devices (AREA)
- Sawing (AREA)
- Portable Power Tools In General (AREA)
Description
【考案の詳細な説明】
〔考案の利用分野〕
本考案は、携帯型エンジンチエンソーの改良に
関するものである。[Detailed Description of the Invention] [Field of Application of the Invention] The present invention relates to an improvement of a portable engine chain saw.
従来例として実開昭54−132898を示し、考案の
背景を述べる。
Utility Model Application No. 54-132898 will be shown as a conventional example, and the background of the invention will be described.
即ち従来は、環状の外枠にエンジンをクランク
軸方向から組み込み防振ゴムを介在して懸架する
構造である。この構造では、組立上の制約から、
この防振ゴムはクランク軸方向からねじ締結され
るため、防振ゴムの圧縮方向は、全部クランク軸
方向になつてしまう。その為、製品の振動系とし
てはクランク軸方向のバネ定数が特に大きくな
り、振動値が大きくなつてしまうという欠点があ
つた。また、このエンジンが環状の外枠に囲まれ
ている為、分解修理が容易にできないという欠点
も生じる。 That is, conventionally, the engine is built into an annular outer frame from the direction of the crankshaft and is suspended with vibration isolating rubber interposed therebetween. With this structure, due to assembly constraints,
Since this anti-vibration rubber is screwed from the direction of the crankshaft, the compression direction of the anti-vibration rubber is entirely in the direction of the crankshaft. For this reason, the product's vibration system had the disadvantage that the spring constant in the crankshaft direction was particularly large, resulting in a large vibration value. Furthermore, since this engine is surrounded by an annular outer frame, there is also the disadvantage that it cannot be easily disassembled and repaired.
本考案の目的は、上記の状況に鑑みなされたも
ので、防振性の向上を計るとともに、分解組立が
簡単にできるように工夫したものである。
The purpose of the present invention was made in view of the above-mentioned situation, and was devised to improve vibration isolation and to facilitate disassembly and assembly.
本考案は、製品の振動レベルは、上下、左右、
前後の３方向の最大値で評価される為、振動レベ
ルを低減するには、この３方向の最大値を平均化
する必要がある。そこで、防振ゴムのバネ定数の
大きい方向に振動の最大値が発生すること、およ
び防振ゴムのバネ定数は圧縮方向に最大値を示す
ことに着目し、バネ定数が３方向に均一化するよ
うにする為、ドーム状の外枠との間に介在する防
振ゴムの配設の仕方を工夫したものである。
This invention allows the vibration level of the product to be adjusted vertically, horizontally,
Since the evaluation is based on the maximum values in the three directions, front and rear, in order to reduce the vibration level, it is necessary to average the maximum values in these three directions. Therefore, we focused on the fact that the maximum value of vibration occurs in the direction where the spring constant of the anti-vibration rubber is large, and that the spring constant of the anti-vibration rubber shows the maximum value in the compression direction, and the spring constant was made uniform in three directions. In order to do this, we devised a way to arrange the vibration-proof rubber interposed between the dome-shaped outer frame and the dome-shaped outer frame.
以下本考案の携帯型エンジンチエンソーを図示
実施例により説明する。図は一部を断面で示した
側面図である。
DESCRIPTION OF THE PREFERRED EMBODIMENTS The portable engine chain saw of the present invention will be described below with reference to illustrated embodiments. The figure is a side view partially shown in cross section.
前部ハンドル４及び後部ハンドル５が一体に固
着された外枠１に、ピストン１２及びクランク軸
１１を内蔵し側方に鋸断チエン６及びチエン案内
板７が配設されたエンジン２が、防振ゴム３を介
在して懸架されている。外枠１は前部に燃料タン
ク８が、上部には気化器９が、後部には気化器制
御機構１０が配設されたドーム状凹部形状を構成
している。下側から組み込まれたエンジン２の上
部には上下方向に、前部には前後方向（ピストン
１２運動方向）に、そして後部には左右方向（ク
ランク軸１１方向）に防振ゴム３の圧縮方向がな
るように外枠１とエンジン２の間に防振ゴム３が
取り付けられている。以上のようにして、防振ゴ
ム３の圧縮方向がそれぞれ前後、左右、上下方向
に分散させている。 An engine 2 has a piston 12 and a crankshaft 11 built into an outer frame 1 to which a front handle 4 and a rear handle 5 are integrally fixed, and a saw-cutting chain 6 and a chain guide plate 7 are disposed on the sides. It is suspended with a vibrating rubber 3 interposed therebetween. The outer frame 1 has a dome-like concave shape in which a fuel tank 8 is disposed at the front, a carburetor 9 is disposed at the top, and a carburetor control mechanism 10 is disposed at the rear. The vibration isolating rubber 3 is compressed in the upper part of the engine 2, which is installed from the bottom, in the vertical direction, in the front part in the longitudinal direction (direction of movement of the piston 12), and in the rear part in the horizontal direction (direction of the crankshaft 11). A vibration isolating rubber 3 is attached between the outer frame 1 and the engine 2 so that As described above, the compression directions of the vibration isolating rubber 3 are distributed in the front-back, left-right, and up-down directions, respectively.
しかも分解組立は、エンジン２に外枠１を覆
い、介在して懸架する防振ゴム３は上部の気化器
カバー１３をはずすことを除けば外部から直接取
り付け作業ができる構成にしている。 Moreover, in disassembling and assembling, the outer frame 1 is covered with the engine 2, and the interposed and suspended vibration isolating rubber 3 can be directly attached from the outside, except for removing the upper carburetor cover 13.
このように本実施例の携帯型エンジンチエンソ
ーは防振ゴムの圧縮方向を上下、前後、左右に分
散させて、防振ゴムのバネ定数が３方向に均一化
するようにした為、この３方向の振動レベルの最
大値を低減することができる。すなわち振動の最
大値で評価される製品の振動レベルを低減するこ
とができる。 In this way, in the portable engine chain saw of this embodiment, the compression direction of the anti-vibration rubber is distributed vertically, longitudinally, and horizontally, so that the spring constant of the anti-vibration rubber is made uniform in three directions. The maximum vibration level can be reduced. In other words, it is possible to reduce the vibration level of the product, which is evaluated based on the maximum value of vibration.
また、分解組立はエンジン２に外枠１を覆い介
在して懸架させる防振ゴム３は直接外部より取り
付け作業ができるので分解組立が容易である。 In addition, the vibration isolating rubber 3 that covers the outer frame 1 and suspends it on the engine 2 can be directly attached from the outside, so disassembling and reassembling is easy.
以上記述した如く本考案の携帯型エンジンチエ
ンソーは、防振性の向上が計れると共に分解組立
が容易である効果を有するものである。
As described above, the portable engine chainsaw of the present invention has the advantage of improved vibration damping properties and ease of disassembly and assembly.
図は本考案の携帯型エンジンチエンソーの一実
施例を一部断面で示した部分縦断側面図である。
図において、１は外枠、２はエンジン、３は防
振ゴム、４は前部ハンドル、５は後部ハンドル、
６は鋸断チエン、７はチエン案内板、８は燃料タ
ンク、９は気化器、１０は気化器制御機構、１１
はクランク軸、１２はピストン、１３は気化器カ
バーである。
The figure is a partially longitudinal side view showing an embodiment of the portable engine chain saw of the present invention. In the figure, 1 is the outer frame, 2 is the engine, 3 is the anti-vibration rubber, 4 is the front handle, 5 is the rear handle,
6 is a sawing chain, 7 is a chain guide plate, 8 is a fuel tank, 9 is a carburetor, 10 is a carburetor control mechanism, 11
12 is a crankshaft, 12 is a piston, and 13 is a carburetor cover.
Claims (1)
された外枠に、鋸断チエン及びチエン案内板を備
えるエンジンを防振ゴムを介して装着する携帯型
エンジンチエンソーにおいて、前記外枠を、前部
に燃料タンク、上部に気化器、後部に気化器制御
機構を固定しほゞドーム状凹部を成して形成する
と共に、前記エンジンを前記ドーム状凹部に、圧
縮方向軸心が互に直角を成す少なくとも３個の防
振ゴムにより懸架して成る携帯型エンジンチエン
ソー。 In a portable engine chain saw in which an engine equipped with a sawing chain and a chain guide plate is attached to an outer frame to which a front handle and a rear handle are integrally fixed via vibration-proof rubber, the outer frame is attached to the front part. A fuel tank, a carburetor at the upper part, and a carburetor control mechanism at the rear are fixed to form a substantially dome-shaped recess, and the engine is mounted in the dome-shaped recess at least three cylinders whose axes in the compression direction are perpendicular to each other. A portable engine chain saw suspended by vibration-proof rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16060285U JPH031206Y2 (en) | 1985-10-18 | 1985-10-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16060285U JPH031206Y2 (en) | 1985-10-18 | 1985-10-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6267701U JPS6267701U (en) | 1987-04-27 |
| JPH031206Y2 true JPH031206Y2 (en) | 1991-01-16 |
Family
ID=31086132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16060285U Expired JPH031206Y2 (en) | 1985-10-18 | 1985-10-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH031206Y2 (en) |
-
1985
- 1985-10-18 JP JP16060285U patent/JPH031206Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6267701U (en) | 1987-04-27 |
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